To make sure that your digitally signed messages can be opened by all recipients, even if they do not have an S/MIME mail application and can't verify the certificate, select Send digitally signed messages as clear text.
#Using decipher text message how to#
For information about how to request a digital certificate from a certification authority, see Mac Help. Send a digitally signed messageīefore you start this procedure, you must have added a certificate to the keychain on your computer.
Your certificate is used to encrypt the copy that is saved to your Sent Items or Drafts folder in Outlook. Note: When you send an encrypted message, your recipient's certificate is used to encrypt his or her copy of the message. menu and select S/MIME > Encrypt with S/MIME. To learn more about how to add certificates to a keychain, see Mac Help.Ĭhoose OK, and then close the Accounts dialog box.
#Using decipher text message mac osx#
You'll only see those certificates that you've added to the keychain for your Mac OSX user account and those certificates that are valid for digital signing or encryption. In Certificate, select the certificate that you want to use. Select the account that you want to send an encrypted message from and select Security. If your recipient is listed on an LDAP directory service, the recipient's certificate is published to the directory service and available to you together with other contact information. If your recipient is listed on an LDAP directory service, such as the global address list (GAL) used by Microsoft Exchange Server, the recipient's certificate is published to the directory service and available to you together with other contact information. You must also have a copy of each recipient's certificate saved with the contacts' entries in Outlook. Send an encrypted message with S/MIMEīefore you start this procedure, you must first have added a certificate to the keychain on your computer. To use S/MIME encryption, the sender and recipient must have a mail application that supports the S/MIME standard. Any recipient without the corresponding private key, however, sees indecipherable text.
Only the recipient who has the private key that matches the public key used to encrypt the message can decipher the message for reading. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. When you need to protect the privacy of an email message, encrypt it.
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